X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=cpu%2Fppc4xx%2Fcpu.c;h=9e9c685afe344800882b7fe281b217a55765607f;hb=74ac5facb988fc488a707db228b177ead63a6541;hp=f4a7208c8f3d4e32b80e7e819ce57e2aef9d937e;hpb=4e53a25855701c312e84404e183e7159e0766a23;p=platform%2Fkernel%2Fu-boot.git

diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index f4a7208..9e9c685 100644
--- a/cpu/ppc4xx/cpu.c
+++ b/cpu/ppc4xx/cpu.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2000-2006
+ * (C) Copyright 2000-2007
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -37,15 +37,9 @@
 #include <asm/cache.h>
 #include <ppc4xx.h>
 
-#if !defined(CONFIG_405)
 DECLARE_GLOBAL_DATA_PTR;
-#endif
 
-#if defined(CONFIG_440)
-#define FREQ_EBC		(sys_info.freqEPB)
-#else
-#define FREQ_EBC		(sys_info.freqPLB / sys_info.pllExtBusDiv)
-#endif
+void board_reset(void);
 
 #if defined(CONFIG_405GP) || \
     defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
@@ -53,7 +47,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #define PCI_ASYNC
 
-int pci_async_enabled(void)
+static int pci_async_enabled(void)
 {
 #if defined(CONFIG_405GP)
 	return (mfdcr(strap) & PSR_PCI_ASYNC_EN);
@@ -69,8 +63,9 @@ int pci_async_enabled(void)
 }
 #endif
 
-#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && !defined(CONFIG_405)
-int pci_arbiter_enabled(void)
+#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && \
+    !defined(CONFIG_405) && !defined(CONFIG_405EX)
+static int pci_arbiter_enabled(void)
 {
 #if defined(CONFIG_405GP)
 	return (mfdcr(strap) & PSR_PCI_ARBIT_EN);
@@ -84,26 +79,26 @@ int pci_arbiter_enabled(void)
 	return (mfdcr(cpc0_strp1) & CPC0_STRP1_PAE_MASK);
 #endif
 
-#if defined(CONFIG_440GX) || \
-    defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
-    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
 	unsigned long val;
 
-	mfsdr(sdr_sdstp1, val);
-	return (val & SDR0_SDSTP1_PAE_MASK);
+	mfsdr(sdr_xcr, val);
+	return (val & 0x80000000);
+#endif
+#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+	unsigned long val;
+
+	mfsdr(sdr_pci0, val);
+	return (val & 0x80000000);
 #endif
 }
 #endif
 
-#if defined(CONFIG_405EP) || defined(CONFIG_440GX) || \
-    defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
-    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
-    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
-
+#if defined(CONFIG_405EP)
 #define I2C_BOOTROM
 
-int i2c_bootrom_enabled(void)
+static int i2c_bootrom_enabled(void)
 {
 #if defined(CONFIG_405EP)
 	return (mfdcr(cpc0_boot) & CPC0_BOOT_SEP);
@@ -114,6 +109,7 @@ int i2c_bootrom_enabled(void)
 	return (val & SDR0_SDCS_SDD);
 #endif
 }
+#endif
 
 #if defined(CONFIG_440GX)
 #define SDR0_PINSTP_SHIFT	29
@@ -127,6 +123,7 @@ static char *bootstrap_str[] = {
 	"Reserved",
 	"I2C (Addr 0x50)",
 };
+static char bootstrap_char[] = { 'A', 'B', 'C', 'B', 'D', 'E', 'x', 'F' };
 #endif
 
 #if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
@@ -137,6 +134,7 @@ static char *bootstrap_str[] = {
 	"I2C (Addr 0x54)",
 	"I2C (Addr 0x50)",
 };
+static char bootstrap_char[] = { 'A', 'B', 'C', 'D'};
 #endif
 
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
@@ -151,6 +149,7 @@ static char *bootstrap_str[] = {
 	"PCI",
 	"I2C (Addr 0x52)",
 };
+static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' };
 #endif
 
 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
@@ -165,6 +164,46 @@ static char *bootstrap_str[] = {
 	"PCI",
 	"I2C (Addr 0x52)",
 };
+static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' };
+#endif
+
+#if defined(CONFIG_405EZ)
+#define SDR0_PINSTP_SHIFT	28
+static char *bootstrap_str[] = {
+	"EBC (8 bits)",
+	"SPI (fast)",
+	"NAND (512 page, 4 addr cycle)",
+	"I2C (Addr 0x50)",
+	"EBC (32 bits)",
+	"I2C (Addr 0x50)",
+	"NAND (2K page, 5 addr cycle)",
+	"I2C (Addr 0x50)",
+	"EBC (16 bits)",
+	"Reserved",
+	"NAND (2K page, 4 addr cycle)",
+	"I2C (Addr 0x50)",
+	"NAND (512 page, 3 addr cycle)",
+	"I2C (Addr 0x50)",
+	"SPI (slow)",
+	"I2C (Addr 0x50)",
+};
+static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', \
+				 'I', 'x', 'K', 'L', 'M', 'N', 'O', 'P' };
+#endif
+
+#if defined(CONFIG_405EX)
+#define SDR0_PINSTP_SHIFT	29
+static char *bootstrap_str[] = {
+	"EBC (8 bits)",
+	"EBC (16 bits)",
+	"EBC (16 bits)",
+	"NAND (8 bits)",
+	"NAND (8 bits)",
+	"I2C (Addr 0x54)",
+	"EBC (8 bits)",
+	"I2C (Addr 0x52)",
+};
+static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' };
 #endif
 
 #if defined(SDR0_PINSTP_SHIFT)
@@ -172,15 +211,26 @@ static int bootstrap_option(void)
 {
 	unsigned long val;
 
-	mfsdr(sdr_pinstp, val);
-	return ((val & 0xe0000000) >> SDR0_PINSTP_SHIFT);
+	mfsdr(SDR_PINSTP, val);
+	return ((val & 0xf0000000) >> SDR0_PINSTP_SHIFT);
 }
 #endif /* SDR0_PINSTP_SHIFT */
-#endif
 
 
 #if defined(CONFIG_440)
-static int do_chip_reset(unsigned long sys0, unsigned long sys1);
+static int do_chip_reset (unsigned long sys0, unsigned long sys1)
+{
+	/* Changes to cpc0_sys0 and cpc0_sys1 require chip
+	 * reset.
+	 */
+	mtdcr (cntrl0, mfdcr (cntrl0) | 0x80000000);	/* Set SWE */
+	mtdcr (cpc0_sys0, sys0);
+	mtdcr (cpc0_sys1, sys1);
+	mtdcr (cntrl0, mfdcr (cntrl0) & ~0x80000000);	/* Clr SWE */
+	mtspr (dbcr0, 0x20000000);	/* Reset the chip */
+
+	return 1;
+}
 #endif
 
 
@@ -201,7 +251,9 @@ int checkcpu (void)
 
 	puts("AMCC PowerPC 4");
 
-#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405EP)
+#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
+    defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
+    defined(CONFIG_405EX)
 	puts("05");
 #endif
 #if defined(CONFIG_440)
@@ -249,6 +301,30 @@ int checkcpu (void)
 		puts("EP Rev. B");
 		break;
 
+	case PVR_405EZ_RA:
+		puts("EZ Rev. A");
+		break;
+
+	case PVR_405EX1_RA:
+		puts("EX Rev. A");
+		strcpy(addstr, "Security support");
+		break;
+
+	case PVR_405EX2_RA:
+		puts("EX Rev. A");
+		strcpy(addstr, "No Security support");
+		break;
+
+	case PVR_405EXR1_RA:
+		puts("EXr Rev. A");
+		strcpy(addstr, "Security support");
+		break;
+
+	case PVR_405EXR2_RA:
+		puts("EXr Rev. A");
+		strcpy(addstr, "No Security support");
+		break;
+
 #if defined(CONFIG_440)
 	case PVR_440GP_RB:
 		puts("GP Rev. B");
@@ -308,40 +384,68 @@ int checkcpu (void)
 #endif /* CONFIG_440GR */
 #endif /* CONFIG_440 */
 
-	case PVR_440EPX1_RA:
+#ifdef CONFIG_440EPX
+	case PVR_440EPX1_RA: /* 440EPx rev A and 440GRx rev A have same PVR */
 		puts("EPx Rev. A");
 		strcpy(addstr, "Security/Kasumi support");
 		break;
 
-	case PVR_440EPX2_RA:
+	case PVR_440EPX2_RA: /* 440EPx rev A and 440GRx rev A have same PVR */
 		puts("EPx Rev. A");
 		strcpy(addstr, "No Security/Kasumi support");
 		break;
+#endif /* CONFIG_440EPX */
 
-	case PVR_440GRX1_RA:
+#ifdef CONFIG_440GRX
+	case PVR_440GRX1_RA: /* 440EPx rev A and 440GRx rev A have same PVR */
 		puts("GRx Rev. A");
 		strcpy(addstr, "Security/Kasumi support");
 		break;
 
-	case PVR_440GRX2_RA:
+	case PVR_440GRX2_RA: /* 440EPx rev A and 440GRx rev A have same PVR */
 		puts("GRx Rev. A");
 		strcpy(addstr, "No Security/Kasumi support");
 		break;
+#endif /* CONFIG_440GRX */
+
+	case PVR_440SP_6_RAB:
+		puts("SP Rev. A/B");
+		strcpy(addstr, "RAID 6 support");
+		break;
 
-	case PVR_440SP_RA:
-		puts("SP Rev. A");
+	case PVR_440SP_RAB:
+		puts("SP Rev. A/B");
+		strcpy(addstr, "No RAID 6 support");
 		break;
 
-	case PVR_440SP_RB:
-		puts("SP Rev. B");
+	case PVR_440SP_6_RC:
+		puts("SP Rev. C");
+		strcpy(addstr, "RAID 6 support");
+		break;
+
+	case PVR_440SP_RC:
+		puts("SP Rev. C");
+		strcpy(addstr, "No RAID 6 support");
+		break;
+
+	case PVR_440SPe_6_RA:
+		puts("SPe Rev. A");
+		strcpy(addstr, "RAID 6 support");
 		break;
 
 	case PVR_440SPe_RA:
 		puts("SPe Rev. A");
+		strcpy(addstr, "No RAID 6 support");
+		break;
+
+	case PVR_440SPe_6_RB:
+		puts("SPe Rev. B");
+		strcpy(addstr, "RAID 6 support");
 		break;
 
 	case PVR_440SPe_RB:
 		puts("SPe Rev. B");
+		strcpy(addstr, "No RAID 6 support");
 		break;
 
 	default:
@@ -350,22 +454,22 @@ int checkcpu (void)
 	}
 
 	printf (" at %s MHz (PLB=%lu, OPB=%lu, EBC=%lu MHz)\n", strmhz(buf, clock),
-	       sys_info.freqPLB / 1000000,
-	       sys_info.freqPLB / sys_info.pllOpbDiv / 1000000,
-	       FREQ_EBC / 1000000);
+		sys_info.freqPLB / 1000000,
+		get_OPB_freq() / 1000000,
+		sys_info.freqEBC / 1000000);
 
 	if (addstr[0] != 0)
 		printf("       %s\n", addstr);
 
 #if defined(I2C_BOOTROM)
 	printf ("       I2C boot EEPROM %sabled\n", i2c_bootrom_enabled() ? "en" : "dis");
+#endif	/* I2C_BOOTROM */
 #if defined(SDR0_PINSTP_SHIFT)
-	printf ("       Bootstrap Option %c - ", (char)bootstrap_option() + 'A');
+	printf ("       Bootstrap Option %c - ", bootstrap_char[bootstrap_option()]);
 	printf ("Boot ROM Location %s\n", bootstrap_str[bootstrap_option()]);
 #endif	/* SDR0_PINSTP_SHIFT */
-#endif	/* I2C_BOOTROM */
 
-#if defined(CONFIG_PCI)
+#if defined(CONFIG_PCI) && !defined(CONFIG_405EX)
 	printf ("       Internal PCI arbiter %sabled", pci_arbiter_enabled() ? "en" : "dis");
 #endif
 
@@ -378,11 +482,11 @@ int checkcpu (void)
 	}
 #endif
 
-#if defined(CONFIG_PCI)
+#if defined(CONFIG_PCI) && !defined(CONFIG_405EX)
 	putc('\n');
 #endif
 
-#if defined(CONFIG_405EP)
+#if defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX)
 	printf ("       16 kB I-Cache 16 kB D-Cache");
 #elif defined(CONFIG_440)
 	printf ("       32 kB I-Cache 32 kB D-Cache");
@@ -406,58 +510,36 @@ int checkcpu (void)
 	return 0;
 }
 
-#if defined (CONFIG_440SPE)
 int ppc440spe_revB() {
 	unsigned int pvr;
 
 	pvr = get_pvr();
-	if (pvr == PVR_440SPe_RB)
+	if ((pvr == PVR_440SPe_6_RB) || (pvr == PVR_440SPe_RB))
 		return 1;
 	else
 		return 0;
 }
-#endif
 
 /* ------------------------------------------------------------------------- */
 
 int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
-#if defined(CONFIG_YOSEMITE) || defined(CONFIG_YELLOWSTONE)
-	/*give reset to BCSR*/
-	*(unsigned char*)(CFG_BCSR_BASE | 0x06) = 0x09;
-
+#if defined(CONFIG_BOARD_RESET)
+	board_reset();
+#else
+#if defined(CFG_4xx_RESET_TYPE)
+	mtspr(dbcr0, CFG_4xx_RESET_TYPE << 28);
 #else
-
 	/*
 	 * Initiate system reset in debug control register DBCR
 	 */
-	__asm__ __volatile__("lis   3, 0x3000" ::: "r3");
-#if defined(CONFIG_440)
-	__asm__ __volatile__("mtspr 0x134, 3");
-#else
-	__asm__ __volatile__("mtspr 0x3f2, 3");
-#endif
+	mtspr(dbcr0, 0x30000000);
+#endif /* defined(CFG_4xx_RESET_TYPE) */
+#endif /* defined(CONFIG_BOARD_RESET) */
 
-#endif/* defined(CONFIG_YOSEMITE) || defined(CONFIG_YELLOWSTONE)*/
 	return 1;
 }
 
-#if defined(CONFIG_440)
-static int do_chip_reset (unsigned long sys0, unsigned long sys1)
-{
-	/* Changes to cpc0_sys0 and cpc0_sys1 require chip
-	 * reset.
-	 */
-	mtdcr (cntrl0, mfdcr (cntrl0) | 0x80000000);	/* Set SWE */
-	mtdcr (cpc0_sys0, sys0);
-	mtdcr (cpc0_sys1, sys1);
-	mtdcr (cntrl0, mfdcr (cntrl0) & ~0x80000000);	/* Clr SWE */
-	mtspr (dbcr0, 0x20000000);	/* Reset the chip */
-
-	return 1;
-}
-#endif
-
 
 /*
  * Get timebase clock frequency
@@ -477,16 +559,14 @@ unsigned long get_tbclk (void)
 
 
 #if defined(CONFIG_WATCHDOG)
-void
-watchdog_reset(void)
+void watchdog_reset(void)
 {
 	int re_enable = disable_interrupts();
 	reset_4xx_watchdog();
 	if (re_enable) enable_interrupts();
 }
 
-void
-reset_4xx_watchdog(void)
+void reset_4xx_watchdog(void)
 {
 	/*
 	 * Clear TSR(WIS) bit